https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91930
Hannes Hauswedell <h2+bugs at fsfe dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |h2+bugs at fsfe dot org --- Comment #5 from Hannes Hauswedell <h2+bugs at fsfe dot org> --- Created attachment 47148 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47148&action=edit intermediate code I am still seeing: /home/hannes/devel/seqan3/submodules/range-v3/include/range/v3/iterator/basic_iterator.hpp:463:23: internal compiler error: in lazily_declare_fn, at cp/method.c:2372 463 | Cur>::readable_iterator_associated_types_base; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ in the snapshot from 20191027. Was the fix merged later or is my issue different? Intermediate code is attached. Build with -std=c++17 -fconcepts Thank you for your help!